As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSING FL190 DURING CLIMB GOT A LEVEL 2 HYD 3 FAIL ALERT, QTY WENT TO ZERO. ALTERNATE GEAR EXTENSION WAS USED IAW QRH. LEAK APPARENTLY COMING FROM REAR STAB COMPARTMENT ACCESS PANEL AREA. TROUBLESHOOTING IN PROGRESS. FOUND LEAK TO BE COMING FROM RT STAB TRIM PRIMARY MOTOR PUMP. R & R NR 1 STAB TRIM MOTOR IAW MM 27-43-01-2 UP TO STEP 3 B 9. ACCOMPLISHED NR 1 STAB TRIM MOTOR LEAK CHECK IAW AMM 27-43-01-2, LEAK CHECK GOOD. OPERATIONS CHECKED NORMAL.